Main material: polyester + spandex. Size Chart(cm) S:waistline/60-65,Hips/103,Recommended weight/45-50kg. M:waistline/70-75,Hips/107,Recommended weight/50-57.5kg. L:waistline/76-81,Hips/111,Recommended weight/55-62.5kg. XL:waistline/82-87,Hips/115,Recommended weight/65-75kg. Women's summer lightweight, breathable sweatpants, yoga pants